chore(deps): update dependency tailwindcss to 4.1.18

[chrisbbreuer]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
tailwindcss (source)	3.4.18 -> 4.1.18

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Release Notes

tailwindlabs/tailwindcss (tailwindcss)

3.4.18 -> 4.1.18

v4.1.18

Compare Source

Fixed

• Ensure validation of source(…) happens relative to the file it is in (#19274)
• Include filename and line numbers in CSS parse errors (#19282)
• Skip comments in Ruby files when checking for class names (#19243)
• Skip over arbitrary property utilities with a top-level ! in the value (#19243)
• Support environment API in @tailwindcss/vite (#18970)
• Preserve case of theme keys from JS configs and plugins (#19337)
• Write source maps correctly on the CLI when using --watch (#19373)
• Handle special defaults (like ringColor.DEFAULT) in JS configs ([#19348](https://gi...

[View full release notes]

Released by github-actions[bot] on 12/11/2025

v3.4.19

Compare Source

Fixed

• Don’t break sibling-*() functions when used inside calc(…) (#19335)

Released by github-actions[bot] on 12/10/2025

v4.1.17

Compare Source

Fixed

• Substitute @variant inside legacy JS APIs (#19263)
• Prevent occasional crash on Windows when loaded into a worker thread (#19242)

Released by github-actions[bot] on 11/6/2025

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📊 Package Statistics

• tailwindcss: 31,188,145 weekly downloads

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